laser correction of myopia or nearsightedness diseases, eye surgery concept. oculist stand front of huge snellen chart

laser correction eye surgery vision checkup myopia nearsightedness disease oculist doctor ray character snellen chart table test sickness vector optical system people human person corrective goggle diagnosis visual young alphabet eyeglass optometrist treatment eyewear medicine read board ophthalmology clear selective eyesight good drop distance woman tiny huge concept cartoon illustration